Patent US3567335A successfully refreshed from Google Patents.
US3567335A
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US
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Resilient hub assemly and method of making same
Assignee: Brookside Corp
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Filing: 1968-06-24
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Granted: 1971-03-02
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Expires: 1988-06-24
Abstract
Abstract AN INEXPENSIVE RESILIENT HUB ASSEMBLY FOR FANS AND BLOWERS WHEREIN RADIAL MEMBER DEFINING HUB OPENING HAS SIX INTEGRAL AXIALLY BENT TABS EXTENDING ALTERNATELY IN ONE AND OPPOSITE AXIAL DIRECTIONS. A FLEXIBLE HUB IS COMPRESSIVELY SECURED WITHIN THE TABS AND MAY HAVE A RIGID HUB COMPRESSIVELY SECURED THEREWITHIN AND ATTACHED TO A SHAFT BY A CONVENTIONAL SET SCREW. THE METHOD COMPRISES SLITTING THE RADIAL MEMBER ADJACENT A CENTRAL OPENING AND BENDING THE TABS TO AXIAL POSITIONS, AND ENTERING THE FLEXIBLE HUB THEREWITHIN FOR COMPRESSIVE RETENTION. A TEFLON REDUCING SLEEVE IS EMPLOYED IN INSERTING THE HUB INTO THE CENTRAL OPENING OF THE RADIAL MEMBER.
Inventors
- 👤 Walter D David
- 👤 Donald F White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:27
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |